// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_CHILD_SCOPED_CHILD_PROCESS_REFERENCE_H_
#define CONTENT_CHILD_SCOPED_CHILD_PROCESS_REFERENCE_H_

#include "base/macros.h"

namespace base {
class TimeDelta;
}

namespace content {

// Scoper class that automatically adds a reference to the current child
// process in constructor and releases the reference on scope out.
// Consumers of this class can call ReleaseWithDelay() to explicitly release
// the reference with a certain delay.
class ScopedChildProcessReference {
public:
    ScopedChildProcessReference();
    ~ScopedChildProcessReference();

    // Releases the process reference after |delay|. Once this is called
    // scoping out has no effect.
    // It is not valid to call this more than once.
    void ReleaseWithDelay(const base::TimeDelta& delay);

private:
    bool has_reference_;

    DISALLOW_COPY_AND_ASSIGN(ScopedChildProcessReference);
};

} // namespace content

#endif // CONTENT_CHILD_SCOPED_CHILD_PROCESS_REFERENCE_H_
